Singapore-based SingTel today said it will acquire 788,538 shares of a promoter company of India's largest private telecom operator the Sunil Mittal-led Bharti Airtel in an all-cash deal worth USD 301 million (about Rs 1,859 crore).

Following the investment, expected to conclude by August 28, SingTel's (Singapore Telecommunications Ltd) effective stake in Bharti Airtel will increase from 30.76 per cent to 32.34 per cent.